Sharp QT-CD250 (serv.man6) Service Manual ▷ View online
QT-CD250H/W
– 29 –
IC802 VHiTC9457F2-1: Servo/Signal Control (TC9457F2) (3/4)
63
SBAD
SBAD
Input/Output
Subbeam add signal input pin.
64
TEI
TEI
Input/Output
Tracking error input pin.
This input is read when tracking servo is on.
This input is read when tracking servo is on.
65
TEZI
TEZI
Input/Output
Tracking error zero-cross input pin.
66
FOO
FOO
Input/Output
Focus equalizer output pin.
67
TRO
TRO
Input/Output
Tracking equalizer output pin.
68
VREF
VREF
Input/Output
Analog reference power supply pin.
69
RFGC
RFGC
Input/Output
RF amplitude adjusting control signal output pin. It outputs 3-level PWM
signals. (PWM carrier = 88.2kHz)
signals. (PWM carrier = 88.2kHz)
70
TEBC
TEBC
Input/Output
Tracking balance control signal output pin. It outputs 3-level PWM signals.
(PWM carrier = 88.2kHz)
(PWM carrier = 88.2kHz)
71
FMO
FMO
Input/Output
Focus equalizer output pin. It outputs 3-level PWM signals.
(PWM carrier = 88.2kHz)
(PWM carrier = 88.2kHz)
72
DMO
DMO
Input/Output
Disc equalizer output pin. It outputs 3-level PWM signals.
(PWM carrier = DSP block 88.2kHz, synchronized to PXO)
(PWM carrier = DSP block 88.2kHz, synchronized to PXO)
73
2VREF
2VREF
Input/Output
Analog reference power supply pin. (2 x VREF)
74
SEL
SEL
Input/Output
APC circuit on/off signal output pin.
When laser is on, this pin goes to a high-impedance state when UHS = low
and outputs a high when UHS = high
When laser is on, this pin goes to a high-impedance state when UHS = low
and outputs a high when UHS = high
75
VDD
VDD2
Input/Output
CD unit's digital block power supply pins.
76
VDD
VSS2
Input/Output
Normally, apply 5V to VDD.
When not using a CD (CD off), this power supply can be turned off, with
only the controller power supply kept active, so that the contrller alone is
operating. In this case, the CD off bit must be set to 1. When this bit is set
to 1, pins 11 through 18 and pins 39 through 42 all are changed for output
ports if they have been set for CD control signal input/output pins.
When not using a CD (CD off), this power supply can be turned off, with
only the controller power supply kept active, so that the contrller alone is
operating. In this case, the CD off bit must be set to 1. When this bit is set
to 1, pins 11 through 18 and pins 39 through 42 all are changed for output
ports if they have been set for CD control signal input/output pins.
77
XVSS
XVSS
Input/Output
CD's crystal oscillator power supply pins.
Normally, connect these pins to the power supply lines that are used in
common for the VDD and VSS pins.
Normally, connect these pins to the power supply lines that are used in
common for the VDD and VSS pins.
78
XI
XI
Input/Output
CD's crystal oscillator input/output pins.
79
XO
XO
Input/Output
Normally, connect 16.934MHz here. This clock is used as the system clock
for the CD. After a system reset, it also is used as the system clock on the
controller side.
for the CD. After a system reset, it also is used as the system clock on the
controller side.
80
XVDD
XVDD
Input/Output
CD's crystal oscillator input/output pins.
Normally, connect these pins to the power supply lines that are used in
common for the VDD and VSS pins.
Normally, connect these pins to the power supply lines that are used in
common for the VDD and VSS pins.
81
DVSR
DVSR
Input/Output
R-channel D/A converter unit ground pin.
82
RO
RO
Input/Output
R-channel data forward output pin.
83
DVRR
DVRR
Input/Output
R-channel reference voltage pin.
84
DVDD
DVDD
Input/Output
D/A converter unit power supply pin.
85
DVRL
DVRL
Input/Output
L-channel reference voltage pin.
86
LO
LO
Input/Output
L-channel data forward output pin.
87
DVSL
DVSL
Input/Output
L-channel D/A converter unit ground pin.
88
NC
NC
Input/Output
NC pins. Normally, connect these pins to ground or leave them open.
89*
NC/VPP
NC
Input/Output
90
/RST
RESET
Input
Device's system reset signal input pin.
The device remains reset while RESET is held low and when RESET is
released back high, the CD unit becomes operational and the program
starts from address 0. Normally, a system reset is asserted when a voltage
of 2.7V or more is applied to VDD when it is at 0V (power-on reset).
Therefore, this pin must be pulled high when used for this purpose.
The device remains reset while RESET is held low and when RESET is
released back high, the CD unit becomes operational and the program
starts from address 0. Normally, a system reset is asserted when a voltage
of 2.7V or more is applied to VDD when it is at 0V (power-on reset).
Therefore, this pin must be pulled high when used for this purpose.
Port Name
Terminal Name
Pin No.
Input/Output
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Function
QT-CD250H/W
– 30 –
IC802 VHiTC9457F2-1: Servo/Signal Control (TC9457F2) (4/4)
91
/HOLD
HOLD
Input
This pin is used to input a signal that requests or clears the hold mode.
Normally, use this pin for CD mode select signal input or battery detection
signal input.
There are two hold modes: clock stop mode (crystal oscillator turned off)
and a wait mode (CPU stopped). These modes are entered by executing
the CKSTP and WAIT instructions, respectively.
The clock stop mode can be requested by a programmed input: low level
detection on HOLD pin or forced execution, and can be cleared by
detecting a high on the HOLD pin or a change of state in its input signal.
When the CKSTP instruction is executed, the clock generator and the CPU
stop operating and the device is placed in a memory backup state. During
this state, the device's current consumption is reduced to 1
Normally, use this pin for CD mode select signal input or battery detection
signal input.
There are two hold modes: clock stop mode (crystal oscillator turned off)
and a wait mode (CPU stopped). These modes are entered by executing
the CKSTP and WAIT instructions, respectively.
The clock stop mode can be requested by a programmed input: low level
detection on HOLD pin or forced execution, and can be cleared by
detecting a high on the HOLD pin or a change of state in its input signal.
When the CKSTP instruction is executed, the clock generator and the CPU
stop operating and the device is placed in a memory backup state. During
this state, the device's current consumption is reduced to 1
µ
A or less.
At the same time, the display output and CMOS output ports are
automatically set low, and the Nch open-drain outputs are turned off.
The wait mode is executed regardles of the input state on the HOLD pin,
with the device's current consumption reduced.
This mode is cleared by a change of state in the HOLD input.
automatically set low, and the Nch open-drain outputs are turned off.
The wait mode is executed regardles of the input state on the HOLD pin,
with the device's current consumption reduced.
This mode is cleared by a change of state in the HOLD input.
92
INTR
REMO-IN
Input
External interrupt input pin.
When the interrupt facility is enabled and a pulse of 1.11 to 2.22
When the interrupt facility is enabled and a pulse of 1.11 to 2.22
µ
s in
duration is applied to this pin, an interrupt is generated and the program
jumps to address 1. Input logic and the active edge (rise or fall) can be
selected for each interrupt input.
Also, the internal 8-bit time clock can be chosen for this interrupt input, in
which case it is possible to count pulses or generate an interrupt at a given
pulse count (address 3).
jumps to address 1. Input logic and the active edge (rise or fall) can be
selected for each interrupt input.
Also, the internal 8-bit time clock can be chosen for this interrupt input, in
which case it is possible to count pulses or generate an interrupt at a given
pulse count (address 3).
93*
MXO
MXO
Input/Output
Crystal oscillator pins for the controller.
94*
MXI
MXI
Input/Output
The oscillator clock is used as the timebase for the clock facility or as the
controller's system clock. Connect a 4.5MHz or 75kHz crystal resonator to
the MXO and MXI pins. Since these pins do not contain internal feedback
resistors, etc, an amp resistor or output resistor must be added external to
the chip.
When using the clock generated by the CD unit's crystal oscillator for
clocking the entire device operation, fix the MXI pin to the GND level.
Oscillation is stopped by executing a CKSTP instruction.
Select the crystal oscillator and control its operation by a program.
controller's system clock. Connect a 4.5MHz or 75kHz crystal resonator to
the MXO and MXI pins. Since these pins do not contain internal feedback
resistors, etc, an amp resistor or output resistor must be added external to
the chip.
When using the clock generated by the CD unit's crystal oscillator for
clocking the entire device operation, fix the MXI pin to the GND level.
Oscillation is stopped by executing a CKSTP instruction.
Select the crystal oscillator and control its operation by a program.
95
MVSS
MVSS
Input/Output
Power supply pins.
96
MVDD
MVDD
Input/Output
Normally, apply a voltage of 4.5 to 5.5V to VDD.
In a backup state (when the CKSTP instruction executed), the device's
current consumption is reduced to 1
In a backup state (when the CKSTP instruction executed), the device's
current consumption is reduced to 1
µ
A or less, allowing for the supply
voltage to be lowered to 2.0V.
The device is reset and the program starts from address 0 when a voltage
of 2.7V or more is applied to this pin when it is at 0V (power-on reset).
The device is reset and the program starts from address 0 when a voltage
of 2.7V or more is applied to this pin when it is at 0V (power-on reset).
97
OT1
COM1
Output
Common signal outputs to the LCD panel.
98
OT2
COM2
Output
Up to 72 segments in a matrix with S1 to S18 can be displayed.
99
OT3
COM3
Output
Three voltage levels MVDD, VEE (1/2 MVDD), and GND are output for
100
OT4
COM4
Output
83Hz period at 2ms intervals.
After a system reset and after deassertion of a clock stop instruction, the
VEE voltage is output and the DISP OFF bit is set to 0 before common
signals are output.
After a system reset and after deassertion of a clock stop instruction, the
VEE voltage is output and the DISP OFF bit is set to 0 before common
signals are output.
Port Name
Terminal Name
Pin No.
Input/Output
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Function
QT-CD250H/W
PARTS GUIDE
NOTE:
Parts marked with “
” are important for maintaining the safety of the set.
Be sure to replace parts with specified ones for maintaining the safety and performance of the set.
MODEL
QT-CD250H(S)
QT-CD250W(S)
QT-CD250W(S)
“HOW TO ORDER REPLACEMENT PARTS”
To have your order filled promptly and correctly, please furnish the
following information.
following information.
1. MODEL NUMBER
2. REF. No.
3. PART NO.
4. DESCRIPTION
MARK: SPARE PARTS-DELIVERY SECTION
For U.S.A. only
Contact your nearest SHARP Parts Distributor to order.
For location of SHARP Parts Distributor,
Please call Toll-Free;
1-800-BE-SHARP
Please call Toll-Free;
1-800-BE-SHARP
Explanation of capacitors/resistors parts codes
Capacitors
VCC ....................... Ceramic type
VCK ........................ Ceramic type
VCT ........................ Semiconductor type
VC • • MF ............... Cylindrical type (without lead wire)
VC • • MF ............... Cylindrical type (without lead wire)
VC • • MN ............... Cylindrical type (without lead wire)
VC • • TV ................ Square type (without lead wire)
VC • • TQ ............... Square type (without lead wire)
VC • • TQ ............... Square type (without lead wire)
VC • • CY ............... Square type (without lead wire)
VC • • CZ ............... Square type (without lead wire)
VC • • • • • • • • • J .. The 13th character represents capacity difference.
VC • • • • • • • • • J .. The 13th character represents capacity difference.
("J"
±
5%, "K"
±
10%, "M"
±
20%, "N"
±
30%,
"C"
±
0.25 pF, "D"
±
0.5 pF, "Z" +80-20%.)
If there are no indications for the electrolytic capacitors, error is
±
20%.
Resistors
VRD ....................... Carbon-film type
VRS ........................ Carbon-film type
VRN ....................... Metal-film type
VR • • MF ............... Cylindrical type (without lead wire)
VR • • MF ............... Cylindrical type (without lead wire)
VR • • MN ............... Cylindrical type (without lead wire)
VR • • TV ................ Square type (without lead wire)
VR • • TQ ............... Square type (without lead wire)
VR • • TQ ............... Square type (without lead wire)
VR • • CY ............... Square type (without lead wire)
VR • • CZ ............... Square type (without lead wire)
VR • • • • • • • • • J .. The 13th character represents error.
VR • • • • • • • • • J .. The 13th character represents error.
("J"
±
5%, "F"
±
1%, "D"
±
0.5%.)
If there are no indications for other parts, the resistors are
±
5%
carbon-film type.
PRICE
RANK
DESCRIPTION
NO.
PARTS CODE
NO.
PARTS CODE
PRICE
RANK
DESCRIPTION
QT-CD250H/W
– 1 –
INTEGRATED CIRCUITS
IC1
VHITA2104BN-1
J
AQ FM/AM IF MPX.,TA2104BN
IC51
VHILC72121/-1
J
AN
Electronic Tuning,LC72121
IC101
VHIBA3311L/-1
J
AK
REC./P.B.Equalizer Amp.,
BA3311L
IC201
VHITA8227P/-1
J
AH
Power Amp.,TA8227P
IC202
VHITC9260P/-1
J
AN
Electronic Volume,TC9260P
IC801
VHITA2109F/-1
J
AL
Servo Pre Amp.,TA2109F
IC802
VHITC9457F2-1
J
AZ
Servo/Signal Control,TC9457F2
IC803
VHILA6541D/-1
J
AW Focus/Tracking/Spin/Sled Driver,
LA6541D
TRANSISTORS
Q1
VSKTC3199GR-1
J
AB
Silicon,NPN,KTC3199 GR
Q2
VSKRA102M//-1
J
AC
Digital,PNP,KRA102 M
Q201,202
VSKTC3199GR-1
J
AB
Silicon,NPN,KTC3199 GR
Q203
VSKTA1266GR-1
J
AB
Silicon,PNP,KTA1266 GR
Q204
VSKTA1273Y/-1
J
AE
Silicon,PNP,KTA1273 Y
Q205
VSKTC3199GR-1
J
AB
Silicon,NPN,KTC3199 GR
Q206
VSKTA1046Y/-1
J
AC
Sillicon,PNP,KTA1046 Y
Q207
VSKTC3199GR-1
J
AB
Silicon,NPN,KTC3199 GR
Q209~212
VSKTC3199GR-1
J
AB
Silicon,NPN,KTC3199 GR
Q351
VSKTC3199GR-1
J
AB
Silicon,NPN,KTC3199 GR
Q801
VSKTA1266GR-1
J
AB
Silicon,PNP,KTA1266 GR
Q802
VSKTA1273Y/-1
J
AE
Silicon,PNP,KTA1273 Y
Q803
VSKRC107M//-1
J
AC
Digital,NPN,KRC107 M
Q804
VSKTA1266GR-1
J
AB
Silicon,PNP,KTA1266 GR
Q805
VSKRC107M//-1
J
AC
Digital,NPN,KRC107 M
Q806
VSKTA1273Y/-1
J
AE
Silicon,PNP,KTA1273 Y
DIODES
D1
VHD1N4148//-1
J
AA
Silicon,1N4148
D101,102
VHD1N4148//-1
J
AA
Silicon,1N4148
D201~205
VHD1N4148//-1
J
AA
Silicon,1N4148
D651~654
VHD1N4004//-1
J
AB
Silicon,1N4004
D801~807
VHD1N4148//-1
J
AA
Silicon,1N4148
VD1,2
VHCKV1370NT-1
J
AG Variable Capacitance,KV1370NT
VD3
VHCKV1520NT-1
J
AK
Variable Capacitance,KV1520NT
ZD201
VHEDZ5R1BSB-1
J
AC
Zener,5.1V,DZ5.1BSB
ZD202
VHEDZ7R5BSB-1
J
AB
Zener,7.5V,DZ7.5BSB
ZD203
VHEDZ2R4BSB-1
J
AB
Zener,2.4V,DZ2.4BSB
FILTERS
CF1
RFILF0006SJZZ
J
AE
FM IF
CF2
RFILF0004SJZZ
J
AG FM IF
CF3
RFILA0003SJZZ
J
AF
AM IF
CF4
RFILF0005SJZZ
J
AF
FM Detection
F1
RFILR0001SJZZ
J
AD
FM Band Pass Filter
TRANSFORMERS
T3
RCILI0008SJZZ
J
AC
AM IF
!
T651
RTRNP0038SJZZ
J
AR
Power [QT-CD250H]
!
T651
RTRNP0039SJZZ
J
AE
Power [QT-CD250W]
COILS
COR1
RCORF0005SJZZ
J
AB
Core
COR801
RCORF0005SJZZ
J
AB
Core
L1
RCILR0004SJZZ
J
AE
FM RF
L2
RCILB0015SJZZ
J
AC
FM Oscillation
L3
RCILA0011SJZZ
J
AC
AM Bar Antenna
L4
RCILB0014SJZZ
J
AC
AM Oscillation
L51
VP-DH101K0000
J
AB
100
µ
H,Choke
L107,108
RCILC0001SJZZ
J
AB
Choke Coil
L301
RCILB0003SJZZ
J
AD
Bias Oscillation
L801
VP-DH221K0000
J
AB
220
µ
H,Choke
L803
VP-DH221K0000
J
AB
220
µ
H,Choke
L807
VP-DHR82K0000
J
AE
0.82
µ
H,Choke
VARIABLE CAPACITOR
TC1
RTO-H1003SJZZ
J
AG Trimmer
VIBRATORS
X51
RCRSP0003SJZZ
J
AL
Crystal,4.5 MHz
X801
RCRM-0002SJZZ
J
AE
Ceramic,16.93 MHz
X802
RCRM-0003SJZZ
J
AK
Ceramic,4.19 MHz
CAPACITORS
C1
VCCCPA1HH150J
J
AA
15 pF (CH),50V
C2
VCKYPA1HB102K
J
AA
0.001
µ
F,50V
C3
VCKZPA1HF103Z
J
AA
0.01
µ
F,50V
C5
VCKYTV1EF104Z
J
AA
0.1
µ
F,25V
C6
VCCCPA1HH220J
J
AA
22 pF (CH),50V
C7,8
VCKYPA1HB102K
J
AA
0.001
µ
F,50V
C9
VCKZPA1HF223Z
J
AA
0.022
µ
F,50V
C10
VCCUPA1HJ8R0D
J
AA
8 pF,50V
C11
VCCSPA1HL361J
J
AA
360 pF,50V
C12
RC-GZA105AF1H
J
AB
1
µ
F,50V,Electrolytic
C13
RC-GZA474AF1H
J
AA
0.47
µ
F,50V,Electrolytic
C14
VCKZPA1HF473Z
J
AA
0.047
µ
F,50V
C15
RC-GZA227AF1A
J
AB
220
µ
F,10V,Electrolytic
C16
RC-GZA475AF1H
J
AB
4.7
µ
F,50V,Electrolytic
C18
VCKYTV1HB102K
J
AA
0.001
µ
F,50V
C19
RC-GZA225AF1H
J
AB
2.2
µ
F,50V,Electrolytic
C20
VCKYPA1HB331K
J
AA
330 pF,50V
C21
RC-GZA106AF1C
J
AB
10
µ
F,16V,Electrolytic
C22
RC-GZA105AF1H
J
AB
1
µ
F,50V,Electrolytic
C23
RC-GZA106AF1C
J
AB
10
µ
F,16V,Electrolytic
C24
VCTYPA1CU104M
J
AB
0.1
µ
F,16V
C25
VCKZPA1HF473Z
J
AA
0.047
µ
F,50V
C26
VCTYPA1CU104M
J
AB
0.1
µ
F,16V
C27
VCKYPA1HB102K
J
AA
0.001
µ
F,50V
C29
VCKYPA1HB101K
J
AA
100 pF,50V
C32
VCKYTV1EF104Z
J
AA
0.1
µ
F,25V
C33,34
VCKYTV1HB221K
J
AA
220 pF,50V
C51
VCCCPA1HH150J
J
AA
15 pF (CH),50V
C52
VCCCPA1HH120J
J
AA
12 pF (CH),50V
C53
RC-GZA107AF1A
J
AB
100
µ
F,10V,Electrolytic
C54
VCKZPA1HF223Z
J
AA
0.022
µ
F,50V
C55
RC-GZA225AF1H
J
AB
2.2
µ
F,50V,Electrolytic
C56
VCKZPA1HF223Z
J
AA
0.022
µ
F,50V
C57,58
VCKYTV1HB101K
J
AA
100 pF,50V
C59
VCKZPA1HF103Z
J
AA
0.01
µ
F,50V
C60
VCKYPA1HB222K
J
AA
0.0022
µ
F,50V
C61
RC-GZA107AF1A
J
AB
100
µ
F,10V,Electrolytic
C68
VCKYTV1HB221K
J
AA
220 pF,50V
C71,72
VCQYKA1HM183K J
AB
0.018
µ
F,50V,Mylar
C73,74
RC-GZA105AF1H
J
AB
1
µ
F,50V,Electrolytic
C75
VCKYPA1HB101K
J
AA
100 pF,50V
C105,106
VCKYPA1HB182K
J
AB
0.0018
µ
F,50V
C107,108
VCKYPA1HB821K
J
AA
820 pF,50V
C109,110
VCKYPA1HB271K
J
AA
270 pF,50V
C111,112
VCKYPA1HB331K
J
AA
330 pF,50V
C113,114
RC-GZA476AF1C
J
AB
47
µ
F,16V,Electrolytic
C115,116
VCQYKA1HM183K J
AB
0.018
µ
F,50V,Mylar
C117,118
RC-GZA106AF1C
J
AB
10
µ
F,16V,Electrolytic
C119
RC-GZA225AF1H
J
AB
2.2
µ
F,50V,Electrolytic
C120
RC-GZA476AF1C
J
AB
47
µ
F,16V,Electrolytic
C121,122
VCKZPA1HF103Z
J
AA
0.01
µ
F,50V
C123
RC-GZA227AF1A
J
AB
220
µ
F,10V,Electrolytic
C201
RC-GZA107AF1C
J
AB
100
µ
F,16V,Electrolytic
C202
RC-GZA476AF1C
J
AB
47
µ
F,16V,Electrolytic
C203
VCKZPA1HF103Z
J
AA
0.01
µ
F,50V
C204
VCKZPA1HF223Z
J
AA
0.022
µ
F,50V
C205,206
RC-GZA476AF1C
J
AB
47
µ
F,16V,Electrolytic
C207
RC-GZA477AF1A
J
AC
470
µ
F,10V,Electrolytic
C208
VCKZPA1HF223Z
J
AA
0.022
µ
F,50V
C209
VCKZPA1HF103Z
J
AA
0.01
µ
F,50V
C210
VCKZPA1HF223Z
J
AA
0.022
µ
F,50V
C211,212
VCKZPA1HF473Z
J
AA
0.047
µ
F,50V
C213,214
RC-GZA104AF1H
J
AB
0.1
µ
F,50V,Electrolytic
C215,216
VCQYKA1HM393K J
AB
0.039
µ
F,50V,Mylar
C217,218
VCQYKA1HM392K J
AA
0.0039
µ
F,50V,Mylar
C219,220
RC-GZA104AF1H
J
AB
0.1
µ
F,50V,Electrolytic
C221,222
VCKYPA1HB102K
J
AA
0.001
µ
F,50V
C223,224
RC-GZA104AF1H
J
AB
0.1
µ
F,50V,Electrolytic
C225
RC-GZA107AF1A
J
AB
100
µ
F,10V,Electrolytic
C226
VCKZPA1HF223Z
J
AA
0.022
µ
F,50V
C227
RC-GZW478AF1C
J
AF
4700
µ
F,16V,Electrolytic
C229~232
RC-GZA104AF1H
J
AB
0.1
µ
F,50V,Electrolytic
C233,234
RC-GZV108AF1A
J
AD
1000
µ
F,10V,Electrolytic
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